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What is the Least Common Multiple of 25418 and 25422?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 25418 and 25422 is 323088198.

LCM(25418,25422) = 323088198

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Least Common Multiple of 25418 and 25422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25418 and 25422, than apply into the LCM equation.

GCF(25418,25422) = 2
LCM(25418,25422) = ( 25418 × 25422) / 2
LCM(25418,25422) = 646176396 / 2
LCM(25418,25422) = 323088198

Least Common Multiple (LCM) of 25418 and 25422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25418 and 25422. First we will calculate the prime factors of 25418 and 25422.

Prime Factorization of 25418

Prime factors of 25418 are 2, 71, 179. Prime factorization of 25418 in exponential form is:

25418 = 21 × 711 × 1791

Prime Factorization of 25422

Prime factors of 25422 are 2, 3, 19, 223. Prime factorization of 25422 in exponential form is:

25422 = 21 × 31 × 191 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 25418 and 25422.

LCM(25418,25422) = 21 × 711 × 1791 × 31 × 191 × 2231
LCM(25418,25422) = 323088198